Home / 7,104.32-9,803.24-4,121.14

Finding the Fourth Proportional to 7,104.32, 9,803.24 and 4,121.14

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Solution

The fourth proportional to 7,104.32, 9,803.24 and 4,121.14 is: 5,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.32 : 9,803.24 = 4,121.14 : x
  2. Step 2: Convert to fraction form
    7,104.32/9,803.24 = 4,121.14/x
  3. Step 3: Cross multiply
    7,104.32x = 9,803.24 × 4,121.14
  4. Step 4: Simplify right side
    7,104.32x = 40,400,524.49
  5. Step 5: Solve for x
    x = 40,400,524.49/7,104.32
  6. Step 6: Final answer
    x = 5,686.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.